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3 years ago

12

PLASEE HELP MMEE I NEED HELP ON THIS

1 answer:

Marina86 [1]3 years ago

4 0

Answer:You all sould study and figur it out ur self periot

Step-by-step explanation:periot

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valentina_108 [34]

Y = 11.5x + 22
y = -13x + 218

when will their balance be the same.....ur basically just subbing in 1 y for the other and u get :
11.5x + 22 = -13x + 218....now we solve for x
11.5x + 13x = 218 - 22
24.5x = 196
x = 196 / 24.5
x = 8 <== they will be the same at 8 weeks

11.5(8) + 22 = 114
-13(8) + 218 = 114
and they will both have $ 114 at 8 weeks <===

3 0

3 years ago

Read 2 more answers

Is 0.0004 greater or less than 0.000073

VARVARA [1.3K]

The 4 is closer to the decimal point than the 7 is, so 0.0004 is a greater number.

3 0

3 years ago

Help with this problem

I am Lyosha [343]

Answer:

AB = 4 BC = 2 AC= 2√5

Step-by-step explanation:

Hope this helps!

5 0

3 years ago

(b) -3x + (-5y) - (-10y) – 7x<br>(c) 9x - (-2y) - 8x-(-12y)

Alexandra [31]

This is b)——————————>>>>>>

6 0

3 years ago

5)Write the equation of a line,which is parallel to 2x -4y =12 and passing through the point (4,3) in standard form using intege

zaharov [31]

Answer:

$y=\frac{1}{2} x+1$

Step-by-step explanation:

Hi there!

<u>What we need to know:</u>

Parallel lines have the same slope and different y-intercepts

<u>1) Determine the slope (m)</u>

Rewrite $2x -4y =12$ in slope-intercept form. This will make it easier for us to identify the slope.

Slope-intercept form: $y=mx+b$ where m is the slope and b is the y-intercept (the value of y when the line crosses the y-axis)

$2x -4y =12$

Subtract 2x from both sides to isolate -4y

$2x -4y-2x =-2x+ 12\\-4y=-2x+ 12$

Divide both sides by -4 to isolate y

$-4y=-2x+ 12\\y=\frac{1}{2}x -3$

Now, we can see clearly that $\frac{1}{2}$ is in the place of m in $y=mx+b$ , making it the slope of the line.

Because parallel lines have the same slopes, we know that the line we're determining will also have a slope of $\frac{1}{2}$ .

<u>2) Determine the y-intercept (b)</u>

Plug $\frac{1}{2}$ into $y=mx+b$

$y=\frac{1}{2} x+b$

Plug in the given point (4,3)

$3=\frac{1}{2} (4)+b\\3=2+b$

Subtract 2 from both sides

$3-2=2+b-2\\1=b$

Therefore, the y-intercept (b) is 1. Plug this back into $y=\frac{1}{2} x+b$

$y=\frac{1}{2} x+1$

I hope this helps!

6 0

3 years ago